Re: [PATCH 6.1 455/611] spi: bcm63xx: remove PM_SLEEP based conditional compilation

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Hi Greg,

On 08/05/23 15:14, Greg Kroah-Hartman wrote:
From: Dhruva Gole <d-gole@xxxxxx>

[ Upstream commit 25f0617109496e1aff49594fbae5644286447a0f ]

Get rid of conditional compilation based on CONFIG_PM_SLEEP because
it may introduce build issues with certain configs where it maybe disabled
This is because if above config is not enabled the suspend-resume
functions are never part of the code but the bcm63xx_spi_pm_ops struct
still inits them to non-existent suspend-resume functions.

Fixes: b42dfed83d95 ("spi: add Broadcom BCM63xx SPI controller driver")

Signed-off-by: Dhruva Gole <d-gole@xxxxxx>
Link: https://lore.kernel.org/r/20230420121615.967487-1-d-gole@xxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
  drivers/spi/spi-bcm63xx.c | 2 --
  1 file changed, 2 deletions(-)

diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
index 80fa0ef8909ca..0324ab3ce1c84 100644
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -630,7 +630,6 @@ static int bcm63xx_spi_remove(struct platform_device *pdev)
  	return 0;
  }
-#ifdef CONFIG_PM_SLEEP
  static int bcm63xx_spi_suspend(struct device *dev)
  {
  	struct spi_master *master = dev_get_drvdata(dev);
@@ -657,7 +656,6 @@ static int bcm63xx_spi_resume(struct device *dev)
return 0;
  }
-#endif

This patch may cause build failures with some of the configs that disable CONFIG_PM I understand,
So to fix that I had sent another patch:
https://lore.kernel.org/all/CAOiHx==anPTqXNJNG7zap1XP2zKUp5SbaVJdyUsUvvitKRUHZw@xxxxxxxxxxxxxx/

However missed out adding the fixes tag.

I humbly request you to add
https://lore.kernel.org/all/20230424102546.1604484-1-d-gole@xxxxxx/

this patch to fix this patch throughout the stable fixes trees.

It can also be found on Linus' master branch here:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/spi/spi-bcm63xx.c?id=cc5f6fa4f6590e3b9eb8d34302ea43af4a3cfed7
static const struct dev_pm_ops bcm63xx_spi_pm_ops = {
  	SET_SYSTEM_SLEEP_PM_OPS(bcm63xx_spi_suspend, bcm63xx_spi_resume)

--
Thanks and Regards,
Dhruva Gole



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